videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Szymanowski: Sonata for violin and piano, Op.9 - III. Finale. Allegro molto quasi presto., Latsabidze: Cyber Moment for violin and piano (World Premiere). Wigmore Hall, London.